Legionella Sampling

by Water Hygiene Centre, on 24-07-2018
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Sampling for Legionella, it is advised that water sampling is undertaken to demonstrate the effectiveness of the established control scheme and is not considered a control measure itself. Sampling of water systems for Legionella, can be somewhat daunting, thoughts of ‘do I need to sample’, ‘how to take a sample’ and ‘where do I need to send the samples’. This video outlines how to take samples and the next steps. 

  Sampling for Legionella, are you doing it correctly? This video explains how .... 

 


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This Video Covers;

- Sampling Technique

- Pre or Post-Flush Samples

- Storage and Transportation 

- Chain of Custody

 

Sampling can provide valuable information on the efficacy of the control scheme, of which pre-planned maintenance (PPM’s) such as temperature monitoring may form a part of. However, this will only be true if the sampling programme is properly planned and executed in accordance with the available guidance.

Guidance is available from British Standards and the Environment Agency, which offers both practical advice on how to sample and monitor from hot and cold water services (BS 8554:2015) and how to sample specifically for Legionella bacteria in water systems (BS 7592:2008) as well as laboratory advice surrounding the determination/detection and enumeration of aquatic bacteria (Microbiology of Drinking Water – ‘Blue Book’).

 

Read more on Legionella Sampling - Sampling Processes - Part 1. Considerations when formulating a water sampling rationale and strategy

Editors Note: The information provided in this blog is correct at date of original publication - July 2018. 

© Water Hygiene Centre 2019

 

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Water Hygiene Centre

The Water Hygiene Centre was established in 2009 to address the lack of independent water hygiene consultancy within the industry. From our humble beginnings, we have established ourselves as a market leader, helping clients identify and minimise the risk of waterborne contamination and disease, whilst improving compliance performance.

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